/* ============================================
   SNS Share Panel - Shared Styles
   ============================================
   CSS 변수 기반 테마 적응:
   --sns-bg, --sns-text, --sns-border, --sns-hover
   각 앱에서 인라인 또는 :root에서 오버라이드 가능
   ============================================ */

/* Default (Light theme) */
.sns-share-panel {
  --sns-bg: rgba(255, 255, 255, 0.85);
  --sns-text: #555;
  --sns-label: #888;
  --sns-border: rgba(0, 0, 0, 0.08);
  --sns-hover: rgba(0, 0, 0, 0.04);
  --sns-btn-bg: #ffffff;
  --sns-btn-focus-bg: #ffffff;
  --sns-btn-active-bg: #f0f0f0;
  --sns-btn-pressed-bg: #f8f8f8;
  --sns-radius: 16px;

  width: 100%;
  margin: 20px 0 12px;
  padding: 20px 16px 16px;
  background: var(--sns-bg);
  border: 1px solid var(--sns-border);
  border-radius: var(--sns-radius);
  text-align: center;
}

/* Dark variant */
.sns-share-panel.sns-dark {
  --sns-bg: rgba(255, 255, 255, 0.06);
  --sns-text: #ddd;
  --sns-label: #999;
  --sns-border: rgba(255, 255, 255, 0.1);
  --sns-hover: rgba(255, 255, 255, 0.08);
  --sns-btn-bg: rgba(255, 255, 255, 0.08);
  --sns-btn-focus-bg: rgba(255, 255, 255, 0.08);
  --sns-btn-active-bg: rgba(255, 255, 255, 0.16);
  --sns-btn-pressed-bg: rgba(255, 255, 255, 0.12);
}

.sns-share-label {
  font-size: 0.85rem;
  color: var(--sns-label);
  font-weight: 850;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

/* Button Grid: 4 buttons in a row */
.sns-share-buttons {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  align-items: stretch !important;
  justify-content: stretch !important;
  gap: 12px;
  width: 100% !important;
  max-width: none !important;
  margin: 10px 0;
}

.sns-share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--sns-border);
  background: var(--sns-btn-bg) !important;
  cursor: pointer;
  padding: 10px;
  border-radius: 14px;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  -webkit-tap-highlight-color: transparent;
  width: 100% !important;
  min-width: 0 !important;
  max-width: none !important;
  outline: none !important; /* Remove focus outline */
}

/* Hover/Focus Suppression for Touch Devices */
@media (hover: hover) {
  .sns-share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
  }
}

.sns-share-btn:focus,
.sns-share-btn:active {
  background: var(--sns-btn-focus-bg) !important;
  outline: none !important;
}

/* Manual Tap Feedback (Controlled by JS) */
.sns-share-btn.is-active {
  transform: scale(0.94);
  background: var(--sns-btn-pressed-bg) !important;
}

.sns-share-btn:active {
  background: var(--sns-btn-active-bg) !important;
}

/* iOS sticky focus fix - explicitly reset when state is cleared via JS */
.sns-share-btn.was-pressed {
  transform: scale(1) !important;
  transition: transform 0.1s ease !important;
  background: var(--sns-btn-focus-bg) !important;
}

/* Icon circle */
.sns-share-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

/* Platform-specific icon backgrounds */
.sns-share-btn.kakao .sns-share-icon {
  background: #FEE500;
}

.sns-share-btn.twitter .sns-share-icon {
  background: #1DA1F2;
  color: #fff;
}

.sns-share-buttons .sns-share-btn.copy .sns-share-icon {
  background: #BFA6FF !important; /* Vivid Lavender */
  color: #FFFFFF !important;
  box-shadow: 0 2px 8px rgba(191, 166, 255, 0.4);
}

.sns-share-panel.sns-dark .sns-share-btn.copy .sns-share-icon {
  background: rgba(255, 255, 255, 0.15);
}

.sns-share-btn.screenshot .sns-share-icon {
  background: #FFE0E0;
}

.sns-share-panel.sns-dark .sns-share-btn.screenshot .sns-share-icon {
  background: rgba(255, 150, 150, 0.2);
}

/* Label under icon */
.sns-share-btn-label {
  font-size: 0.7rem;
  color: var(--sns-text);
  font-weight: 850;
  white-space: nowrap;
  line-height: 1.2;
}

/* === Toast Notification === */
.sns-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sns-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* === Responsive === */
@media (max-width: 360px) {
  .sns-share-buttons {
    gap: 8px;
  }

  .sns-share-btn {
    padding: 8px 2px 6px;
  }

  .sns-share-icon {
    width: 34px;
    height: 34px;
    font-size: 1.05rem;
  }

  .sns-share-btn-label {
    font-size: 0.65rem;
  }
}

/* === SNS Global Loading Overlay (created by JS as a real DOM element) === */
#sns-global-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20000;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  pointer-events: all;
}

#sns-global-loader::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  margin-top: -22px;
  margin-left: -22px;
  border: 4px solid rgba(255, 77, 77, 0.2);
  border-top-color: #ff4d4d;
  border-radius: 50%;
  animation: sns-spin 0.75s linear infinite;
}

@keyframes sns-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Toss share single button variant */
.toss-share-panel {
  padding: 16px !important;
  margin: 16px 0 12px !important;
  background: var(--sns-bg) !important;
  border: 1px solid var(--sns-border) !important;
}

.toss-share-reward-note {
  margin: -4px 0 12px;
  color: var(--sns-text);
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1.45;
  word-break: keep-all;
}

.toss-share-btn-single {
  display: block !important;
  width: 100% !important;
  padding: 14px 16px !important;
  background: #0050FF !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 12px !important;
  font-size: 0.95rem !important;
  font-weight: 850 !important;
  text-align: center !important;
  cursor: pointer !important;
  box-shadow: 0 4px 12px rgba(0, 80, 255, 0.18) !important;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease !important;
  -webkit-tap-highlight-color: transparent !important;
}

.toss-share-btn-single:active,
.toss-share-btn-single.is-active {
  transform: scale(0.97) !important;
  opacity: 0.9 !important;
}